Schweitzer Engineering Laboratories SEL-700G Series User manual
SEL-700G
Generator and Intertie
Protection Relays
Instruction Manual
SEL-700G0
SEL-700G1
SEL-700GT
SEL-700GW
20170814
*PM700G-01-NB*
SEL-700G Relay Instruction Manual Date Code 20170814
© 2010–2017 by Schweitzer Engineering Laboratories, Inc. All rights reserved.
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Schweitzer Engineering Laboratories, Inc. reserves all rights and benefits afforded under federal and international copyright and patent laws in
its products, including without limitation software, firmware, and documentation.
The information in this document is provided for informational use only and is subject to change without notice. Schweitzer Engineering
Laboratories, Inc. has approved only the English language document.
This product is covered by the standard SEL 10-year warranty. For warranty details, visit selinc.com or contact your customer service
representative. PM700G-01
Date Code 20170814 Instruction Manual SEL-700G Relay
Table of Contents
Inst ruction M anual
List of Tables .......................................................................................................................................................v
List of Figures ..................................................................................................................................................xiii
Preface ................................................................................................................................................................xxi
Manual Overview........................................................................................................................................... xxi
Safety Information..........................................................................................................................................xxii
Conventions...................................................................................................................................................xxvi
Section 1: Introduction and Specifications
Overview .........................................................................................................................................................1.1
Features............................................................................................................................................................1.1
Models, Options, and Accessories...................................................................................................................1.5
Applications.....................................................................................................................................................1.7
Getting Started................................................................................................................................................. 1.8
Specifications ................................................................................................................................................1.12
Section 2: Installation
Overview .........................................................................................................................................................2.1
Relay Placement..............................................................................................................................................2.1
I/O Configuration ............................................................................................................................................2.2
Rear-Panel Connections ................................................................................................................................2.19
AC/DC Control Connection Diagrams..........................................................................................................2.23
AC/DC Connections and Applications.......................................................................................................... 2.26
SEL-700G1+ Generator Relay Application Example 1................................................................................2.29
SEL-700G1+ Generator Relay Application Example 2................................................................................2.31
SEL-700GT+ Intertie Relay Application ...................................................................................................... 2.33
SEL-700GW Wind Generator Relay Application.........................................................................................2.35
Thermal Protection of Generator and Prime Mover......................................................................................2.36
Field Ground Protection of Generator...........................................................................................................2.36
Field Serviceability........................................................................................................................................ 2.37
Section 3: PC Software
Overview .........................................................................................................................................................3.1
Setup................................................................................................................................................................3.2
Terminal........................................................................................................................................................... 3.3
Settings Database Management and Drivers...................................................................................................3.5
Settings............................................................................................................................................................3.6
Event Analysis............................................................................................................................................... 3.10
Meter and Control..........................................................................................................................................3.12
ACSELERATOR QuickSet Help...................................................................................................................... 3.15
Section 4: Protection and Logic Functions
Overview .........................................................................................................................................................4.1
Application Data..............................................................................................................................................4.3
Group Settings (SET Command).....................................................................................................................4.3
Other Settings..............................................................................................................................................4.180
Logic Settings (SET L Command)..............................................................................................................4.193
Global Settings (SET G Command)............................................................................................................4.206
Port Settings (SET P Command)................................................................................................................. 4.219
Front-Panel Settings (SET F Command).....................................................................................................4.223
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SEL-700G Relay Instruction Manual Date Code 20170814
Table of Contents
Report Settings (SET R Command)............................................................................................................ 4.234
DNP Map Settings (SET DNP n Command, n = 1, 2, or 3)........................................................................................4.237
Modbus Map Settings (SET M Command).................................................................................................4.238
Section 5: Metering and Monitoring
Overview .........................................................................................................................................................5.1
Power Measurement Conventions...................................................................................................................5.2
Delta-Connected CTs ......................................................................................................................................5.2
Metering ..........................................................................................................................................................5.2
Load Profiling................................................................................................................................................5.14
Breaker Monitor ............................................................................................................................................5.15
Section 6: Settings
Overview .........................................................................................................................................................6.1
View/Change Settings With Front Panel.........................................................................................................6.2
View/Change Settings Over Communications Port.........................................................................................6.4
Setting Entry Error Messages.......................................................................................................................... 6.6
SEL-700G Settings Sheets
Section 7: Communications
Overview .........................................................................................................................................................7.1
Communications Interfaces.............................................................................................................................7.1
Communications Protocols............................................................................................................................7.10
SEL ASCII Protocol and Commands............................................................................................................7.14
Section 8: Front-Panel Operations
Overview .........................................................................................................................................................8.1
Front-Panel Layout..........................................................................................................................................8.1
Human-Machine Interface...............................................................................................................................8.2
Operation and Target LEDs...........................................................................................................................8.12
Section 9: Analyzing Events
Overview .........................................................................................................................................................9.1
Event Reporting...............................................................................................................................................9.2
Section 10: Testing and Troubleshooting
Overview .......................................................................................................................................................10.1
Testing Tools..................................................................................................................................................10.1
Commissioning Tests.....................................................................................................................................10.5
Periodic Tests (Routine Maintenance).........................................................................................................10.12
Self-Test.......................................................................................................................................................10.13
Troubleshooting...........................................................................................................................................10.16
Technical Assistance ................................................................................................................................... 10.17
Appendix A: Firmware and Manual Versions
Firmware......................................................................................................................................................... A.1
ICD File.......................................................................................................................................................... A.7
Instruction Manual........................................................................................................................................ A.10
Appendix B: Firmware Upgrade Instructions
Overview .........................................................................................................................................................B.1
Upgrade Firmware Using ACSELERATOR QuickSet.......................................................................................B.2
Upgrade Firmware Using a Terminal Emulator ..............................................................................................B.6
Relays With IEC 61850 Option.......................................................................................................................B.8
Technical Assistance .......................................................................................................................................B.9
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Date Code 20170814 Instruction Manual SEL-700G Relay
Table of Contents
Appendix C: SEL Communications Processors
SEL Communications Protocols......................................................................................................................C.1
SEL Communications Processor.....................................................................................................................C.3
SEL Communications Processor and Relay Architecture...............................................................................C.5
SEL Communications Processor Example......................................................................................................C.7
Appendix D: DNP3 Communications
Overview ........................................................................................................................................................ D.1
Introduction to DNP3..................................................................................................................................... D.1
DNP3 in the SEL-700G.................................................................................................................................. D.6
DNP3 Documentation .................................................................................................................................. D.12
Appendix E: Modbus RTU Communications
Overview .........................................................................................................................................................E.1
Communications Protocol...............................................................................................................................E.1
Modbus Register Map ...................................................................................................................................E.25
Appendix F: IEC 61850 Communications
Features............................................................................................................................................................ F.1
Introduction to IEC 61850............................................................................................................................... F.2
IEC 61850 Operation....................................................................................................................................... F.3
IEC 61850 Configuration .............................................................................................................................. F.11
Logical Node Extensions............................................................................................................................... F.13
Logical Nodes................................................................................................................................................ F.18
Protocol Implementation Conformance Statement ....................................................................................... F.38
ACSI Conformance Statements..................................................................................................................... F.44
Appendix G: DeviceNet Communications
Overview ........................................................................................................................................................ G.1
DeviceNet Card .............................................................................................................................................. G.1
Features........................................................................................................................................................... G.2
Electronic Data Sheet..................................................................................................................................... G.3
Appendix H: Synchrophasors
Overview ........................................................................................................................................................ H.1
Synchrophasor Measurement ......................................................................................................................... H.2
Settings for Synchrophasors........................................................................................................................... H.4
Serial Port Settings for IEEE C37.118 Synchrophasors ...................................................................................... H.9
Ethernet Port Settings for IEEE C37.118 Synchrophasors................................................................................. H.10
Synchrophasor Relay Word Bits................................................................................................................... H.12
View Synchrophasors Using the MET PM Command.................................................................................H.14
C37.118 Synchrophasor Protocol................................................................................................................. H.15
IEEE C37.118 PMU Setting Example.......................................................................................................... H.18
Appendix I: MIRRORED BITS Communications
Overview ..........................................................................................................................................................I.1
Operation..........................................................................................................................................................I.1
Settings.............................................................................................................................................................I.5
Appendix J: Relay Word Bits
Overview ..........................................................................................................................................................J.1
Definitions........................................................................................................................................................J.7
Date Code 20170814 Instruction Manual SEL-700G Relay
List of Tables
Inst ruction M anual Table 1.1 Current (ACI) and Voltage (AVI) Card Selection for SEL-700G Models ............................. 1.2
Table 1.2 Protection Elements in SEL-700G Models............................................................................1.2
Table 1.3 Recommended Protection Elements by Generator Grounding Method................................. 1.4
Table 1.4 SEL-700G Serial Port Settings...............................................................................................1.9
Table 2.1 Power Supply Inputs (PSIO/2 DI/3 DO) Card Terminal Designations..................................2.4
Table 2.2 Communications Ports ........................................................................................................... 2.4
Table 2.3 Communications Card Interfaces and Connectors.................................................................2.5
Table 2.4 Current/Voltage Inputs (3 ACI/4 AVI) Card Terminal Designations .....................................2.6
Table 2.5 Current/Voltage Inputs (3 ACI/2 AVI) Card Terminal Designations .....................................2.7
Table 2.6 Currents Inputs (3 ACIE) Card Terminal Designations......................................................... 2.7
Table 2.7 Voltage Inputs (2 AVI) Card Terminal Designations ............................................................. 2.8
Table 2.8 Current/Voltage Inputs (4 ACI/3 AVI) Card Terminal Designations .....................................2.8
Table 2.9 Current Inputs (3 ACIZ) Card Terminal Designations...........................................................2.9
Table 2.10 Current Input (1 ACI) Card Terminal Designation ................................................................2.9
Table 2.11 Four Analog Inputs/Four Analog Outputs (4 AI/4 AO) Card Terminal Designations.........2.10
Table 2.12 I/O (3 DI/4 DO/1 AO) Card Terminal Designations............................................................2.10
Table 2.13 RTD (10 RTD) Card Terminal Designations........................................................................ 2.11
Table 2.14 Four Digital Inputs/Four Digital Outputs (4 DI/4 DO) Card Terminal Designations..........2.11
Table 2.15 Eight Digital Inputs (8 DI) Card Terminal Designations..................................................... 2.12
Table 2.16 Eight Digital Outputs (8 DO) Card Terminal Designations.................................................2.12
Table 2.17 Four Digital Inputs, One Form B Digital Output, Two Form C Digital Outputs
(4 DI/3 DO) Card Terminal Designations ........................................................................ 2.13
Table 2.18 Jumper Functions and Default Positions.............................................................................. 2.18
Table 2.19 Typical Maximum RTD Lead Length .................................................................................. 2.22
Table 3.1 SEL Software Solutions .........................................................................................................3.1
Table 3.2 ACSELERATOR QuickSet SEL-5030 Software.......................................................................3.1
Table 3.3 File/Tools Menus....................................................................................................................3.7
Table 3.4 QuickSet Help ......................................................................................................................3.15
Table 4.1 Identifier Settings...................................................................................................................4.3
Table 4.2 Configuration Settings............................................................................................................4.4
Table 4.3 Differential Element Settings...............................................................................................4.12
Table 4.4 Ground Differential Settings................................................................................................4.33
Table 4.5 Restricted Earth Fault Settings.............................................................................................4.36
Table 4.6 Stator Ground Protection Settings........................................................................................ 4.40
Table 4.7 Field Ground Protection Settings......................................................................................... 4.47
Table 4.8 Compensator Distance Protection Settings.......................................................................... 4.48
Table 4.9 Voltage Controlled/Restraint Time OC Protection Settings.................................................4.52
Table 4.10 Loss-of-Field Protection Settings......................................................................................... 4.57
Table 4.11 Current Unbalance Settings..................................................................................................4.61
Table 4.12 Thermal Overload Settings...................................................................................................4.65
Table 4.13 Volts-Per-Hertz Settings.......................................................................................................4.69
Table 4.14 Frequency Accumulation Settings .......................................................................................4.74
Table 4.15 Out-of-Step Protection Settings ...........................................................................................4.77
Table 4.16 Inadvertent Energization Protection Settings.......................................................................4.86
Table 4.17 Phase Overcurrent Settings ..................................................................................................4.87
Table 4.18 Neutral Overcurrent Settings................................................................................................4.88
Table 4.19 Residual Overcurrent Settings.............................................................................................. 4.93
Table 4.20 Negative-Sequence Overcurrent Settings............................................................................. 4.93
Table 4.21 Maximum Phase Time-Overcurrent Settings....................................................................... 4.94
Table 4.22 Negative-Sequence Time-Overcurrent Settings...................................................................4.95
Table 4.23 Neutral Time-Overcurrent Settings......................................................................................4.96
Table 4.24 Residual Time-Overcurrent Settings.................................................................................... 4.96
Table 4.25 Equations Associated With U.S. Curves..............................................................................4.98
vi List of Tables
SEL-700G Relay Instruction Manual Date Code 20170814
Table 4.26 Equations Associated With IEC Curves...............................................................................4.98
Table 4.27 Available Ground Directional Elements............................................................................. 4.103
Table 4.28 Best Choice Ground Directional Element Logic................................................................4.104
Table 4.29 Ground Directional Element Availability by Voltage Transformer Connections
On X Side .......................................................................................................................4.104
Table 4.30 Ground Directional Element Availability by Voltage Transformer Connections
On Y Side .......................................................................................................................4.105
Table 4.31 Directional Element Settings for X Side and Y Side .........................................................4.121
Table 4.32 Directional Control Settings Not Made for Particular Conditions.....................................4.124
Table 4.33 Overcurrent Elements Controlled by Level Direction Settings
DIR1X, DIR2X, DIR1Y, and DIR2Y,............................................................................. 4.124
Table 4.34 Relay Word Bits Associated With X-Side and Y-Side Overcurrent Elements
With and Without Directional Control Across Different SEL-700G Models ................4.124
Table 4.35 z Constant for Z2R Setting.................................................................................................4.127
Table 4.36 z Constant for Z0R Setting.................................................................................................4.130
Table 4.37 Load-Encroachment Settings .............................................................................................4.134
Table 4.38 Power Element Settings......................................................................................................4.138
Table 4.39 Signals Used for Frequency Measurement and Tracking...................................................4.141
Table 4.40 Frequency Settings.............................................................................................................4.142
Table 4.41 Rate-of-Change-of-Frequency Settings..............................................................................4.143
Table 4.42 Time Window Versus 81RmnTP Setting............................................................................4.144
Table 4.43 Undervoltage Settings ........................................................................................................4.146
Table 4.44 Overvoltage Settings ..........................................................................................................4.147
Table 4.45 RTD Settings ...................................................................................................................... 4.150
Table 4.46 RTD Resistance Versus Temperature................................................................................. 4.152
Table 4.47 X-Side Synchronism-Check Settings.................................................................................4.153
Table 4.48 Synchronism-Check Settings .............................................................................................4.167
Table 4.49 Autosynchronism Settings.................................................................................................. 4.174
Table 4.50 Loss of Potential (LOP) Settings........................................................................................4.179
Table 4.51 Demand Meter Settings......................................................................................................4.180
Table 4.52 Pole Open Logic Settings...................................................................................................4.185
Table 4.53 Trip/Close Logic Settings...................................................................................................4.186
Table 4.54 Enable Settings................................................................................................................... 4.193
Table 4.55 Latch Bits Equation Settings..............................................................................................4.195
Table 4.56 SELOGIC Control Equation Operators (Listed in Operator Precedence) .................................4.197
Table 4.57 Other SELOGIC Control Equation Operators/Values.......................................................... 4.200
Table 4.58 SELOGIC Variable Settings.................................................................................................4.201
Table 4.59 Counter Input/Output Description......................................................................................4.203
Table 4.60 Order of Precedence of the Control Inputs.........................................................................4.204
Table 4.61 Control Output Equations and Contact Behavior Settings................................................. 4.205
Table 4.62 General Global Settings .....................................................................................................4.206
Table 4.63 Event Messenger Settings ..................................................................................................4.206
Table 4.64 Setting Group Selection .....................................................................................................4.208
Table 4.65 Time and Date Management Settings ................................................................................ 4.208
Table 4.66 Breaker Failure Setting....................................................................................................... 4.211
Table 4.67 Summary of Steps ..............................................................................................................4.213
Table 4.68 Analog Input Card in Slot 3 ...............................................................................................4.215
Table 4.69 Output Setting for a Card in Slot 3.....................................................................................4.216
Table 4.70 Slot C Input Debounce Settings .........................................................................................4.218
Table 4.71 Data Reset Settings.............................................................................................................4.218
Table 4.72 Setting Change Disable Setting.......................................................................................... 4.219
Table 4.73 Time Synchronization Source Setting................................................................................ 4.219
Table 4.74 Front-Panel Serial Port Settings .........................................................................................4.220
Table 4.75 Ethernet Port Settings.........................................................................................................4.220
Table 4.76 Port Number Settings That Must be Unique......................................................................4.221
Table 4.77 Fiber-Optic Serial Port Settings .........................................................................................4.221
Table 4.78 Rear-Panel Serial Port (EIA-232) Settings.........................................................................4.221
Table 4.79 Rear-Panel Serial Port (EIA-232/EIA-485) Settings.......................................................... 4.222
viiList of Tables
Date Code 20170814 Instruction Manual SEL-700G Relay
Table 4.80 Rear-Panel DeviceNet Port Settings...................................................................................4.223
Table 4.81 Display Point and Local Bit Default Settings ....................................................................4.223
Table 4.82 LCD Display Settings.........................................................................................................4.223
Table 4.83 Settings That Always, Never, or Conditionally Hide a Display Point...............................4.225
Table 4.84 Entries for the Four Strings................................................................................................4.225
Table 4.85 Binary Entry in the Name String Only...............................................................................4.227
Table 4.86 Analog Entry in the Name String Only..............................................................................4.228
Table 4.87 Entry in the Name String and the Alias Strings .................................................................4.229
Table 4.88 Example Settings and Displays..........................................................................................4.229
Table 4.89 Target LED Settings ...........................................................................................................4.232
Table 4.90 Pushbutton LED Settings ................................................................................................... 4.233
Table 4.91 Auto-Removal Settings ...................................................................................................... 4.234
Table 4.92 SER Trigger Settings..........................................................................................................4.235
Table 4.93 Enable Alias Settings .........................................................................................................4.235
Table 4.94 SET R SER Alias Settings .................................................................................................4.236
Table 4.95 Event Report Settings.........................................................................................................4.236
Table 4.96 Generator Autosynchronism Report Settings.....................................................................4.236
Table 4.97 Generator Autosynchronism Report Data.......................................................................... 4.237
Table 4.98 Load Profile Settings..........................................................................................................4.237
Table 4.99 DNP Map Settings..............................................................................................................4.237
Table 4.100 User Map Register Settings ...............................................................................................4.238
Table 5.1 Measured Fundamental Meter Values....................................................................................5.3
Table 5.2 Thermal Meter Values............................................................................................................5.5
Table 5.3 RTD Input Status Messages ...................................................................................................5.5
Table 5.4 Maximum/Minimum Meter Values........................................................................................5.7
Table 5.5 RMS Meter Values .................................................................................................................5.9
Table 5.6 Demand Values.....................................................................................................................5.11
Table 5.7 Synchrophasor Measured Values .........................................................................................5.12
Table 5.8 Measured Differential Meter................................................................................................5.13
Table 5.9 Measured Harmonic Meter Values....................................................................................... 5.13
Table 5.10 Breaker Maintenance Information for a 25 kV Circuit Breaker .......................................... 5.15
Table 5.11 Breaker Monitor Settings .....................................................................................................5.16
Table 5.12 Breaker Monitor Output.......................................................................................................5.24
Table 6.1 Methods of Accessing Settings ..............................................................................................6.1
Table 6.2 SHOW Command Options.....................................................................................................6.4
Table 6.3 SET Command Options .........................................................................................................6.4
Table 6.4 SET Command Editing Keystrokes........................................................................................6.5
Table 6.5 SET Command Format........................................................................................................... 6.5
Table 6.6 Setting Interdependency Error Messages............................................................................... 6.6
Table SET.1 Port Number Settings That Must be Unique................................................................... SET.51
Table 7.1 SEL-700G Communications Port Interfaces.......................................................................... 7.1
Table 7.2 EIA-232/EIA-485 Serial Port Pin Functions.........................................................................7.8
Table 7.3 Protocols Supported on the Various Ports............................................................................7.10
Table 7.4 Settings Associated With SNTP...........................................................................................7.13
Table 7.5 Serial Port Automatic Messages ..........................................................................................7.15
Table 7.6 Command Response Header Definitions .............................................................................7.18
Table 7.7 Access Commands ............................................................................................................... 7.18
Table 7.8 ANALOG Command ........................................................................................................... 7.20
Table 7.9 ANALOG Command Format...............................................................................................7.20
Table 7.10 COM Command................................................................................................................... 7.25
Table 7.11 CONTROL Command ......................................................................................................... 7.25
Table 7.12 Three Remote Bit States.......................................................................................................7.25
Table 7.13 COPY Command..................................................................................................................7.26
Table 7.14 COUNTER Command ......................................................................................................... 7.26
Table 7.15 Date Command.....................................................................................................................7.26
Table 7.16 EVENT Command (Event Reports).....................................................................................7.27
Table 7.17 EVENT Command Format...................................................................................................7.28
Table 7.18 FILE Command....................................................................................................................7.28
viii List of Tables
SEL-700G Relay Instruction Manual Date Code 20170814
Table 7.19 GEN Command Variants......................................................................................................7.28
Table 7.20 GSH Command Variants...................................................................................................... 7.29
Table 7.21 GOOSE Command Variants.................................................................................................7.30
Table 7.22 GOOSE IED Description.....................................................................................................7.30
Table 7.23 GROUP Command...............................................................................................................7.32
Table 7.24 HELP Command .................................................................................................................. 7.32
Table 7.25 HISTORY Command...........................................................................................................7.33
Table 7.26 IDENTIFICATION Command.............................................................................................7.33
Table 7.27 IRI Command.......................................................................................................................7.33
Table 7.28 LDP Commands................................................................................................................... 7.34
Table 7.29 LDP Command Parameters.................................................................................................. 7.34
Table 7.30 L_D Command (Load Firmware) ........................................................................................7.34
Table 7.31 LOO Command....................................................................................................................7.35
Table 7.32 Meter Command................................................................................................................... 7.35
Table 7.33 Meter Command Parameters................................................................................................ 7.36
Table 7.34 Meter Class...........................................................................................................................7.36
Table 7.35 PASSWORD Command.......................................................................................................7.37
Table 7.36 PAS Command Format......................................................................................................... 7.37
Table 7.37 Factory-Default Passwords for Access Levels 1, 2, and C...................................................7.37
Table 7.38 Valid Password Characters................................................................................................... 7.37
Table 7.39 PUL OUTnnn Command .....................................................................................................7.39
Table 7.40 QUIT Command................................................................................................................... 7.39
Table 7.41 R_S Command (Restore s)................................................................................................... 7.39
Table 7.42 SER Command (Sequential Events Recorder Report)......................................................... 7.39
Table 7.43 SER Command Format ........................................................................................................7.39
Table 7.44 SER D Command.................................................................................................................7.40
Table 7.45 SET Command (Change Settings) ....................................................................................... 7.40
Table 7.46 SET Command Format.........................................................................................................7.41
Table 7.47 SET Command Editing Keystrokes......................................................................................7.41
Table 7.48 SHOW Command (Show/View Settings).............................................................................7.41
Table 7.49 SHOW Command Format....................................................................................................7.42
Table 7.50 STATUS Command (Relay Self-Test Status).......................................................................7.44
Table 7.51 STATUS Command Report and Definitions ........................................................................7.44
Table 7.52 SUMMARY Command........................................................................................................7.46
Table 7.53 SYN Command.................................................................................................................... 7.46
Table 7.54 TARGET Command (Display Relay Word Bit Status)........................................................ 7.46
Table 7.55 TARGET Command Format ................................................................................................7.46
Table 7.56 Front-Panel LEDs and the TAR 0 Command.......................................................................7.47
Table 7.57 TIME Command (View/Change Time)................................................................................7.47
Table 7.58 TRIGGER Command (Trigger Event Report) .....................................................................7.47
Table 7.59 VEC Command....................................................................................................................7.48
Table 8.1 Front-Panel Automatic Messages (FP_AUTO := OVERRIDE) ............................................ 8.3
Table 8.2 Front-Panel Pushbutton Functions .........................................................................................8.4
Table 8.3 Possible Warning Conditions (Flashing TRIP LED) ...........................................................8.13
Table 8.4 SEL-700GT and SEL-700GW Front-Panel Operator Control Functions............................8.16
Table 8.5 SEL-700G and SEL-700G1 Front-Panel Operator Control Functions ................................8.17
Table 9.1 Event Types............................................................................................................................9.4
Table 9.2 Analog Event Report Columns Definitions............................................................................ 9.8
Table 9.3 Digital Event Report Column Definitions............................................................................ 9.17
Table 9.4 Stator Ground Event report (EVE GND) Digital Column Definitions for
Protection, Control, and I/O Elements..............................................................................9.26
Table 9.5 Differential Event Report Column Definitions for Analog Quantities ................................9.26
Table 9.6 Differential Event Report Digital Column Definitions for Protection,
Control, and I/O Elements................................................................................................9.27
Table 10.1 Cable C700G Connection Options.......................................................................................10.3
Table 10.2 Resultant Scale Factors for Inputs........................................................................................ 10.3
Table 10.3 Serial Port Commands That Clear Relay Data Buffers........................................................10.8
Table 10.4 CTRX Phase Current Measuring Accuracy.........................................................................10.9
ixList of Tables
Date Code 20170814 Instruction Manual SEL-700G Relay
Table 10.5 CTRY Phase Current Measuring Accuracy........................................................................10.10
Table 10.6 Power Quantity Accuracy—Wye Voltages.........................................................................10.11
Table 10.7 Power Quantity Accuracy—Delta Voltages....................................................................... 10.12
Table 10.8 Periodic Relay Checks .......................................................................................................10.12
Table 10.9 Relay Self-Tests..................................................................................................................10.13
Table 10.10 Troubleshooting..................................................................................................................10.16
Table A.1 Firmware Revision History................................................................................................... A.1
Table A.2 DeviceNet Card Versions ...................................................................................................... A.6
Table A.3 EDS File compatibility.......................................................................................................... A.6
Table A.4 SEL-700G ICD Revision History.......................................................................................... A.7
Table A.5 Instruction Manual Revision History.................................................................................. A.10
Table C.1 Supported Serial Command Sets............................................................................................C.1
Table C.2 Compressed ASCII Commands .............................................................................................C.2
Table C.3 SEL Communications Processors Protocol Interfaces...........................................................C.4
Table C.4 SEL Communications Processor Port 1 Settings ...................................................................C.7
Table C.5 SEL Communications Processor Data Collection Automessages..........................................C.8
Table C.6 SEL Communications Processor Port 1 Automatic Messaging Settings...............................C.8
Table C.7 SEL Communications Processor Port 1 Region Map ............................................................C.8
Table C.8 Communications Processor METER Region Map for GW Model........................................C.9
Table C.9 Communications Processor METER Region Map for G0 Model Without Synchronism......C.9
Table C.10 Communications Processor METER Region Map for G0 Model With Synchronism.........C.10
Table C.11 Communications Processor METER Region Map for G1 Model Without Synchronism....C.11
Table C.12 Communications Processor METER Region Map for G1 Model With Synchronism.........C.11
Table C.13 Communications Processor METER Region Map for GT Model With Single
Synchronism.....................................................................................................................C.12
Table C.14 Communications Processor METER Region Map for GT Model With Dual Single
Synchronism.....................................................................................................................C.13
Table C.15 Communications Processor TARGET Region.....................................................................C.14
Table C.16 Communications Processor DEMAND Region Map...........................................................C.15
Table D.1 DNP3 Implementation Levels............................................................................................... D.1
Table D.2 Selected DNP3 Function Codes............................................................................................D.3
Table D.3 DNP3 Access Methods.......................................................................................................... D.4
Table D.4 TCP/UDP Selection Guidelines............................................................................................D.6
Table D.5 DNP3 Access Methods.......................................................................................................... D.6
Table D.6 SEL-700G Event Buffer Capacity......................................................................................... D.9
Table D.7 Port DNP3 Protocol Settings............................................................................................... D.11
Table D.8 Serial Port DNP3 Modem Settings...................................................................................... D.12
Table D.9 SEL-700G DNP Object List................................................................................................D.13
Table D.10 DNP3 Reference Data Map................................................................................................. D.18
Table D.11 DNP3 Default Data Map..................................................................................................... D.20
Table D.12 SEL-700G Object 12 Control Operations........................................................................... D.22
Table D.13 Sample Custom DNP3 AI Map........................................................................................... D.26
Table E.1 Modbus Query Fields.............................................................................................................E.1
Table E.2 SEL-700G Modbus Function Codes ......................................................................................E.2
Table E.3 SEL-700G Modbus Exception Codes ....................................................................................E.3
Table E.4 01h Read Discrete Output Coil Status Command..................................................................E.3
Table E.5 Responses to 01h Read Discrete Output Coil Query Errors ..................................................E.4
Table E.6 02h Read Input Status Command...........................................................................................E.4
Table E.7 02h SEL-700G Inputs.............................................................................................................E.5
Table E.8 Responses to 02h Read Input Query Errors ...........................................................................E.9
Table E.9 03h Read Holding Register Command...................................................................................E.9
Table E.10 Responses to 03h Read Holding Register Query Errors ........................................................E.9
Table E.11 04h Read Input Register Command .....................................................................................E.10
Table E.12 Responses to 04h Read Input Register Query Errors...........................................................E.10
Table E.13 05h Force Single Coil Command.........................................................................................E.10
Table E.14 01h, 05h SEL-700G Output .................................................................................................E.10
Table E.15 Responses to 05h Force Single Coil Query Errors...............................................................E.13
Table E.16 06h Preset Single Register Command..................................................................................E.13
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SEL-700G Relay Instruction Manual Date Code 20170814
Table E.17 Responses to 06h Preset Single Register Query Errors........................................................E.13
Table E.18 08h Loopback Diagnostic Command...................................................................................E.14
Table E.19 Responses to 08h Loopback Diagnostic Query Errors.........................................................E.14
Table E.20 10h Preset Multiple Registers Command.............................................................................E.14
Table E.21 10h Preset Multiple Registers Query Error Messages .........................................................E.15
Table E.22 60h Read Parameter Information Command........................................................................E.15
Table E.23 60h Read Parameter Descriptor Field Definition.................................................................E.15
Table E.24 60h Read Parameter Conversion Field Definition................................................................E.16
Table E.25 Responses to 60h Read Parameter Information Query Errors .............................................E.16
Table E.26 61h Read Parameter Text Command....................................................................................E.17
Table E.27 61h Read Parameter Text Query Error Messages.................................................................E.17
Table E.28 62h Read Enumeration Text Command ...............................................................................E.17
Table E.29 61h Read Parameter Enumeration Text Query Error Messages...........................................E.18
Table E.30 7Dh Encapsulated Packet With Control Command .............................................................E.18
Table E.31 7Dh Encapsulated Packet Query Errors...............................................................................E.18
Table E.32 7Eh NOP Command.............................................................................................................E.19
Table E.33 Modbus Register Labels for Use With SET M Command...................................................E.20
Table E.34 Modbus Register Map ..........................................................................................................E.25
Table F.1 IEC 61850 Document Set....................................................................................................... F.2
Table F.2 Example IEC 61850 Descriptor Components........................................................................ F.4
Table F.3 SEL-700G Logical Devices.................................................................................................... F.4
Table F.4 Buffered Report Control Block Client Access....................................................................... F.6
Table F.5 Unbuffered Report Control Block Client Access................................................................... F.7
Table F.6 IEC 61850 Settings............................................................................................................... F.11
Table F.7 New Logical Node Extensions.............................................................................................F.13
Table F.8 Thermal Metering Data Logical Node Class Definition......................................................F.13
Table F.9 Demand Metering Statistics Logical Node Class Definition ............................................... F.14
Table F.10 Circuit Breaker Supervision (Per-Phase) Logical Node Class Definition............................ F.15
Table F.11 Compatible Logical Nodes With Extensions ....................................................................... F.15
Table F.12 Measurement Logical Node Class Definition ...................................................................... F.15
Table F.13 Measurement Logical Node Class Definition ...................................................................... F.16
Table F.14 Metering Statistics Logical Node Class Definition.............................................................. F.17
Table F.15 Circuit Breaker Logical Node Class Definition................................................................... F.17
Table F.16 Logical Device: PRO (Protection)........................................................................................ F.18
Table F.17 Logical Device: MET (Metering).........................................................................................F.28
Table F.18 Logical Device: CON (Remote Control).............................................................................. F.34
Table F.19 Logical Device: ANN (Annunciation) ................................................................................. F.34
Table F.20 Logical Device: CFG (Configuration) ................................................................................. F.38
Table F.21 PICS for A-Profile Support.................................................................................................. F.38
Table F.22 PICS for T-Profile Support................................................................................................... F.38
Table F.23 MMS Service Supported Conformance ............................................................................... F.39
Table F.24 MMS Parameter CBB .......................................................................................................... F.41
Table F.25 Alternate Access Selection Conformance Statement........................................................... F.41
Table F.26 VariableAccessSpecification Conformance Statement ........................................................ F.42
Table F.27 VariableSpecification Conformance Statement.................................................................... F.42
Table F.28 Read Conformance Statement.............................................................................................. F.42
Table F.29 GetVariableAccessAttributes Conformance Statement........................................................ F.42
Table F.30 DefineNamedVariableList Conformance Statement............................................................ F.42
Table F.31 GetNamedVariableListAttributes Conformance Statement ................................................. F.43
Table F.32 DeleteNamedVariableList .................................................................................................... F.43
Table F.33 GOOSE Conformance.......................................................................................................... F.43
Table F.34 ACSI Basic Conformance Statement ................................................................................... F.44
Table F.35 ACSI Models Conformance Statement................................................................................ F.44
Table F.36 ACSI Services Conformance Statement............................................................................... F.45
Table H.1 PMU Settings in the SEL-700G for C37.118 Protocol in Global Settings........................... H.4
Table H.2 Synchrophasor Order in Data Stream (Voltages and Currents)............................................. H.7
Table H.3 User-Defined Analog Values Selected by the NUMANA Setting........................................ H.8
Table H.4 User-Defined Digital Status Words Selected by the NUMDSW Setting.............................. H.8
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Date Code 20170814 Instruction Manual SEL-700G Relay
Table H.5 SEL-700G Serial Port Settings for Synchrophasors ............................................................. H.9
Table H.6 SEL-700G Ethernet Port Settings for Synchrophasors....................................................... H.10
Table H.7 Synchrophasor Trigger Relay Word Bits ............................................................................ H.12
Table H.8 Time-Synchronization Relay Word Bits ............................................................................. H.13
Table H.9 TQUAL Bits Translation to Time Quality........................................................................... H.13
Table H.10 Frequency Tracking Side and Quantity Based on the SEL-700G Model ........................... H.16
Table H.11 Size of a C37.118 Synchrophasor Message........................................................................ H.17
Table H.12 Serial Port Bandwidth for Synchrophasors (in Bytes)........................................................ H.17
Table H.13 Example Synchrophasor Global Settings............................................................................ H.19
Table H.14 Example Synchrophasor Logic Settings ............................................................................. H.19
Table H.15 Example Synchrophasor SELOGIC Settings........................................................................ H.20
Table H.16 Example Synchrophasor Port Settings................................................................................ H.20
Table I.1 Number of MIRRORED BITS Messages for Different Data Rates............................................I.2
Table I.2 Positions of the MIRRORED BITS.............................................................................................I.3
Table I.3 MIRRORED BITS Values for a RXDFLT Setting of 10100111.................................................I.3
Table I.4 MIRRORED BITS Communications Message Transmission Period..........................................I.5
Table I.5 MIRRORED BITS Protocol Settings ..........................................................................................I.5
Table J.1 SEL-700G Relay Word Bits....................................................................................................J.1
Table J.2 Hidden Overcurrent Element Relay Word Bits Per the SEL-700G Model.............................J.5
Table J.3 Relay Word Bit Definitions for the SEL-700G.......................................................................J.7
Table K.1 Analog Quantities.................................................................................................................. K.1
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Date Code 20170814 Instruction Manual SEL-700G Relay
List of Figures
Inst ruction M anual Figure 1.1 Typical Current Connections..................................................................................................1.8
Figure 1.2 Response Header....................................................................................................................1.9
Figure 1.3 STA Command Response—No Communications Card or
EIA-232/EIA-485 Communications Card........................................................................ 1.10
Figure 1.4 STA Command Response—Communications Card/DeviceNet Protocol............................ 1.10
Figure 2.1 Relay Panel-Mount Dimensions.............................................................................................2.2
Figure 2.2 Slot Allocations for Different Cards ......................................................................................2.3
Figure 2.3 Circuit Board of Analog I/O Board, Showing Jumper Selection.........................................2.16
Figure 2.4 JMP1 Through JMP4 Locations on 4 AI/4 AO Board.........................................................2.17
Figure 2.5 Current Output Jumpers .......................................................................................................2.17
Figure 2.6 Voltage Output Jumpers .......................................................................................................2.17
Figure 2.7 Pins for Password, Breaker Control, and SELBOOT Jumper................................................2.18
Figure 2.8 SEL-700G1+ With Dual-Fiber Ethernet, Fast Hybrid 4 DI/4 DO, 10 RTDs,
3 ACI/2 AVI, 4 ACI/3 AVI (MOT 0700G11ACA9X76850830)...................................... 2.19
Figure 2.9 SEL-700GT+ With Dual Copper Ethernet, 4 DI/4 DO, 8 DO, 3 ACI/4 AVI,
4 ACI/3 AVI (MOT 0700GT1A2X75850630) .................................................................2.19
Figure 2.10 SEL-700GW With Copper Ethernet, 4 DI/4 DO, 4 AI/4 AO, 3 ACIE, 3 ACIZ
(MOT 0700GW1A1A6X77870310).................................................................................2.20
Figure 2.11 Control I/O Connections—4 AI/4 AO Option in Slot D......................................................2.21
Figure 2.12 Control I/O Connections—Internal RTD Option.................................................................2.22
Figure 2.13 Analog Output Wiring Example...........................................................................................2.23
Figure 2.14 Output OUT103 Relay Output Contact Configuration ........................................................ 2.23
Figure 2.15 OUT103 Contact Fail-Safe and Nonfail-Safe Options......................................................... 2.24
Figure 2.16 Voltage Connections.............................................................................................................2.25
Figure 2.17 SEL-700G0 Relay AC Connection Example—High-Impedance Grounded Generator
Without Current Differential Protection........................................................................... 2.26
Figure 2.18 SEL-700G0 Relay AC Connection Example—Solidly Grounded Generator
With Ground Differential Protection (87N)...................................................................... 2.26
Figure 2.19 SEL-700G0+ Relay High-Impedance Grounded Generator With Synchronism Check
and Without Current Differential Protection ....................................................................2.27
Figure 2.20 SEL-700G1+ Relay AC Connection Example—High-Impedance Grounded Generator
With Step-Up Transformer Included in Differential Zone
(With Synchronism Check and 100% Stator Ground Protection).................................... 2.27
Figure 2.21 SEL-700G1+ Relay AC Connection Example—High-Impedance Grounded Generator
With Split-Phase Current Differential Protection............................................................. 2.28
Figure 2.22 SEL-700G1+ Relay High-Impedance Grounded Generator With Split-Phase,
Self-Balancing Differential Protection ............................................................................. 2.28
Figure 2.23 SEL-700G1+ Relay Typical AC Current and Four-Wire Wye Voltage Connection With
MOT SEL-0700G11A2XBA76850231............................................................................ 2.29
Figure 2.24 SEL-700G1+ Typical DC External Connections ................................................................. 2.30
Figure 2.25 SEL-700G1+ Relay AC Connection Example, Multiple High-Impedance Grounded
Generators Connected to a Common Bus, With 67N and Other Protection.....................2.32
Figure 2.26 SEL-700GT+ Relay Typical AC Current and Four-Wire Wye Voltage Connection............2.33
Figure 2.27 SEL-700GT+ Typical DC External Connections.................................................................2.34
Figure 2.28 SEL-700GW Dual Feeder AC Current Connections ...........................................................2.35
Figure 2.29 SEL-700GW Typical DC External Connections.................................................................. 2.35
Figure 2.30 Generator Thermal Protection With an SEL-2600 RTD Module and an SEL-700G...........2.36
Figure 2.31 Field Ground Protection With an SEL-700G Relay.............................................................2.37
Figure 3.1 Serial Port Communication Dialog Box.................................................................................3.2
Figure 3.2 Serial Port Communication Parameters Dialog Box..............................................................3.3
Figure 3.3 Network Communication Parameters Dialog Box.................................................................3.3
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SEL-700G Relay Instruction Manual Date Code 20170814
List of Figures
Figure 3.4 Communications Menu..........................................................................................................3.3
Figure 3.5 Device Response to the ID Command ...................................................................................3.4
Figure 3.6 Selection of Drivers................................................................................................................ 3.7
Figure 3.7 Update Part Number...............................................................................................................3.7
Figure 3.8 New Setting Screen................................................................................................................3.8
Figure 3.9 Expressions Created With Expression Builder ......................................................................3.9
Figure 3.10 Composite Screens for Retrieving Events............................................................................ 3.10
Figure 3.11 Generator Synchronism Report............................................................................................3.11
Figure 3.12 Saving the Retrieved Event ..................................................................................................3.12
Figure 3.13 Device Overview Screen......................................................................................................3.13
Figure 3.14 Control Screen......................................................................................................................3.14
Figure 3.15 Remote Operation Selection.................................................................................................3.14
Figure 3.16 Synchroscope ....................................................................................................................... 3.15
Figure 4.1 Phase Rotation Setting ...........................................................................................................4.5
Figure 4.2 Percentage Restraint Differential Characteristic....................................................................4.7
Figure 4.3 Winding X Compensated Currents.........................................................................................4.8
Figure 4.4 Differential Element (87-1) Quantities...................................................................................4.8
Figure 4.5 Differential Element Logic................................................................................................... 4.10
Figure 4.6 Differential Element Harmonic Blocking Logic..................................................................4.10
Figure 4.7 Differential Element Output Logic....................................................................................... 4.11
Figure 4.8 Differential Current Alarm Logic Diagram..........................................................................4.13
Figure 4.9 Delta IRTn and Delta IOPn External Event Detector Logic................................................4.15
Figure 4.10 Second-Harmonic External Event Detector Logic...............................................................4.16
Figure 4.11 High Security Mode RESET Logic......................................................................................4.16
Figure 4.12 AO87P2 Logic......................................................................................................................4.17
Figure 4.13 Winding Connections, Phase Shifts, and Compensation Direction .....................................4.21
Figure 4.14 Example 1 for WnCTC Selection.........................................................................................4.23
Figure 4.15 Effect of X_CUR_IN Setting on Residual Current (IG)...................................................... 4.32
Figure 4.16 87N Element Logic Diagram ............................................................................................... 4.33
Figure 4.17 REF Enable Logic................................................................................................................4.35
Figure 4.18 REF Directional Element.....................................................................................................4.35
Figure 4.19 REF Protection Output (Extremely Inverse-Time O/C)....................................................... 4.36
Figure 4.20 Effect of X_CUR_IN Setting on Polarizing Current............................................................ 4.37
Figure 4.21 64G Element Operating Characteristic ................................................................................4.39
Figure 4.22 64G Logic Diagram..............................................................................................................4.45
Figure 4.23 Field Ground Protection (64F) Elements Logic...................................................................4.46
Figure 4.24 Three-Phase Distance Element Operating Characteristics...................................................4.50
Figure 4.25 Phase-to-Phase Distance Element Operating Characteristics ..............................................4.50
Figure 4.26 Zone 1 Compensator Element Logic....................................................................................4.51
Figure 4.27 Compensator Distance Element Logic................................................................................. 4.51
Figure 4.28 Voltage-Controlled Phase Time-Overcurrent Element 51CT...............................................4.55
Figure 4.29 Voltage-Restrained Phase Time-Overcurrent Element 51VT ..............................................4.55
Figure 4.30 51V Element Voltage Restraint Characteristic.....................................................................4.56
Figure 4.31 Loss-of-Field Logic Diagram...............................................................................................4.57
Figure 4.32 Loss-of-Field Element Operating Characteristic, Negative Zone 2 Offset ..........................4.60
Figure 4.33 Loss-of-Field Element Operating Characteristic, Positive Zone 2 Offset............................ 4.61
Figure 4.34 Negative-Sequence Overcurrent Element Logic Diagram................................................... 4.63
Figure 4.35 Negative-Sequence Time-Overcurrent Operating Characteristic......................................... 4.64
Figure 4.36 Simplified Thermal Model, Generator................................................................................. 4.65
Figure 4.37 Generator Overload Curve ...................................................................................................4.66
Figure 4.38 Volts/Hertz Element Logic...................................................................................................4.67
Figure 4.39 Dual-Level Volts/Hertz Time-Delay Characteristic 24CCS = DD.......................................4.68
Figure 4.40 Composite Inverse/Definite-Time Overexcitation Characteristic, 24CCS = ID ..................4.68
Figure 4.41 Volts/Hertz Inverse-Time Characteristic, 24IC = 0.5...........................................................4.71
Figure 4.42 Volts/Hertz Inverse-Time Characteristic, 24IC = 1..............................................................4.72
Figure 4.43 Volts/Hertz Inverse-Time Characteristic, 24IC = 2..............................................................4.73
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List of Figures
Figure 4.44 Example Turbine Operating Limitations During Abnormal Frequency ..............................4.75
Figure 4.45 Abnormal Frequency Protection Logic Diagram.................................................................4.76
Figure 4.46 Single-Blinder Scheme Operating Characteristics...............................................................4.78
Figure 4.47 Single-Blinder Scheme Logic Diagram ...............................................................................4.79
Figure 4.48 Single-Blinder Typical Settings............................................................................................4.81
Figure 4.49 Double-Blinder Scheme Operating Characteristics ............................................................. 4.81
Figure 4.50 Double-Blinder Scheme Logic Diagram..............................................................................4.83
Figure 4.51 Double-Blinder Typical Settings..........................................................................................4.85
Figure 4.52 Inadvertent Energization Logic Diagram............................................................................. 4.86
Figure 4.53 SEL-700G0, SEL-700G1, SEL-700GT+ Instantaneous Overcurrent Element Logic
(Generator Protection)......................................................................................................4.89
Figure 4.54 SEL-700GT Instantaneous Overcurrent Element Logic (Intertie Protection)...................... 4.90
Figure 4.55 Instantaneous Overcurrent Element Logic (Feeder Protection, SEL-700GW).................... 4.91
Figure 4.56 SEL-700G0, SEL-700G1, SEL-700GGT Instantaneous Neutral-Ground Overcurrent
Element Logic (Generator Protection) .............................................................................4.92
Figure 4.57 Ground Fault Protection Using Core-Balance CT ...............................................................4.92
Figure 4.58 Maximum Phase Time-Overcurrent Elements.....................................................................4.94
Figure 4.59 Negative-Sequence Time-Overcurrent Elements .................................................................4.95
Figure 4.60 Neutral Time-Overcurrent Element 51NT ........................................................................... 4.96
Figure 4.61 Residual Time-Overcurrent Elements.................................................................................. 4.97
Figure 4.62 U.S. Moderately Inverse Curve: U1.....................................................................................4.99
Figure 4.63 U.S. Inverse Curve: U2 ........................................................................................................4.99
Figure 4.64 U.S. Very Inverse Curve: U3................................................................................................4.99
Figure 4.65 U.S. Extremely Inverse Curve: U4....................................................................................... 4.99
Figure 4.66 U.S. Short-Time Inverse Curve: U5................................................................................... 4.100
Figure 4.67 IEC Class A Curve (Standard Inverse): C1........................................................................4.100
Figure 4.68 IEC Class B Curve (Very Inverse): C2...............................................................................4.100
Figure 4.69 IEC Class C Curve (Extremely Inverse): C3........................................................................4.100
Figure 4.70 IEC Long-Time Inverse Curve: C4 ....................................................................................4.101
Figure 4.71 IEC Short-Time Inverse Curve: C5....................................................................................4.101
Figure 4.72 General Logic Flow of Directional Control for Residual Ground Overcurrent
Elements ......................................................................................................................... 4.102
Figure 4.73 General Logic Flow of Directional Control for Neutral-Ground Overcurrent
Elements ......................................................................................................................... 4.102
Figure 4.74 Internal Enables (DIRQE and DIRQGE) Logic for Negative-Sequence
Voltage-Polarized Directional Elements.........................................................................4.108
Figure 4.75 Internal Enables (DIRVE and DIRIE) Logic for Zero-Sequence Voltage-Polarized
Directional Element With IG as Operate Quantity and Channel IN Current-
Polarized Directional Element........................................................................................4.109
Figure 4.76 Internal Enables (DIRNE) Logic for Zero-Sequence Voltage-Polarized
Directional Element With IN as Operate Quantity......................................................... 4.109
Figure 4.77 Negative-Sequence Voltage-Polarized Directional Element for Residual-
Ground Overcurrent Elements........................................................................................ 4.110
Figure 4.78 Zero-Sequence Voltage-Polarized Directional Element for Residual-Ground
Overcurrent Elements.....................................................................................................4.111
Figure 4.79 Channel IN Current-Polarized Directional Element..........................................................4.112
Figure 4.80 Zero-Sequence Voltage-Polarized Directional Element for Neutral-Ground
Overcurrent Elements.....................................................................................................4.113
Figure 4.81 Routing of Directional Elements to Residual-Ground Overcurrent Elements...................4.114
Figure 4.82 Routing of Neutral Directional Element to Neutral-Ground Overcurrent Elements..........4.114
Figure 4.83 Direction Forward/Reverse Logic for Residual-Ground Overcurrent Elements................4.115
Figure 4.84 Direction Forward/Reverse Logic for Neutral-Ground Overcurrent Elements..................4.115
Figure 4.85 General Logic Flow of Directional Control for Negative-Sequence and
Phase Overcurrent Elements...........................................................................................4.116
Figure 4.86 Negative-Sequence Voltage-Polarized Directional Element for Negative-Sequence
and Phase Overcurrent Elements....................................................................................4.118
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List of Figures
Figure 4.87 Positive-Sequence Voltage-Polarized Directional Element for Phase Overcurrent
Elements ......................................................................................................................... 4.119
Figure 4.88 Routing of Directional Elements to Negative-Sequence and Phase Overcurrent
Elements ......................................................................................................................... 4.120
Figure 4.89 Direction Forward/Reverse Logic for Negative-Sequence Overcurrent Elements ............ 4.120
Figure 4.90 Direction Forward/Reverse Logic for Phase Overcurrent Elements........................................ 4.121
Figure 4.91 Zero-Sequence Impedance Network and Relay Polarity ...................................................4.131
Figure 4.92 Zero-Sequence Impedance Plot for Solidly-Grounded, Mostly Inductive System............4.131
Figure 4.93 Hybrid Power System With Neutral-Ground Resistor....................................................... 4.132
Figure 4.94 Load-Encroachment Logic for X Side...............................................................................4.135
Figure 4.95 Load-Encroachment Logic for Y Side...............................................................................4.136
Figure 4.96 Three-Phase Power Elements Logic...................................................................................4.139
Figure 4.97 Power Elements Operation in the Real/Reactive Power Plane...........................................4.140
Figure 4.98 X-Side Over- and Underfrequency Element Logic............................................................ 4.142
Figure 4.99 Y-Side Over- and Underfrequency Element Logic ............................................................ 4.143
Figure 4.100 81R Frequency Rate-of-Change Scheme Logic.................................................................4.144
Figure 4.101 Undervoltage Element Logic.............................................................................................. 4.148
Figure 4.102 Overvoltage Element Logic................................................................................................ 4.149
Figure 4.103 Zero-Sequence Overvoltage Elements (59G).....................................................................4.150
Figure 4.104 Channel VS Voltage Elements (27S, 59S) .........................................................................4.150
Figure 4.105 Synchronism-Check Function Voltage Elements...............................................................4.155
Figure 4.106 Synchronism-Check Function Voltage Element Characteristic .........................................4.155
Figure 4.107 Synchronism-Check Function 25RCFX and SYNCPX/SYNCPY Setting Examples.......4.156
Figure 4.108 Synchronism-Check Function Slip Elements.....................................................................4.157
Figure 4.109 Synchronism-Check Function Angle Elements ................................................................. 4.158
Figure 4.110 Breaker Close Failure Logic Diagram................................................................................4.158
Figure 4.111 Synchronism-Check Function Angle Characteristics ........................................................ 4.159
Figure 4.112 Synchronism-Check Voltage Window and Slip Frequency Elements................................ 4.165
Figure 4.113 Synchronism-Check Elements ...........................................................................................4.166
Figure 4.114 Angle Difference Between VPY and VS Compensated by Breaker Close Time
(fPY < fS and VPY Shown as Reference in This Example)...........................................4.170
Figure 4.115 Overall Functional Block Diagram ....................................................................................4.173
Figure 4.116 Simplified Block Diagram, Frequency and Phase Matching Elements ............................. 4.175
Figure 4.117 Simplified Block Diagram, Voltage Matching Elements...................................................4.176
Figure 4.118 Synchroscope ..................................................................................................................... 4.177
Figure 4.119 Graphical Display of Generator Autosynchronism Report................................................4.178
Figure 4.120 Loss-of-Potential Generic Logic (Applies to both X and Y Sides).................................... 4.180
Figure 4.121 Demand Current Logic Outputs.........................................................................................4.181
Figure 4.122 Response of Thermal and Rolling Demand Meters to a Step Input
(Setting DMTC = 15 minutes)........................................................................................4.182
Figure 4.123 Voltage VSApplied to Series RC Circuit........................................................................... 4.183
Figure 4.124 Pole Open Logic Diagram, Breaker 52X ........................................................................... 4.185
Figure 4.125 Pole Open Logic Diagram, Breaker 52Y ........................................................................... 4.186
Figure 4.126 Trip Logic...........................................................................................................................4.188
Figure 4.127 Typical Generator Trip TR Logic (SEL-700G0, SEL-700G1, SEL-700GT).....................4.189
Figure 4.128 Typical Intertie Trip TR Logic (SEL-700GT).................................................................... 4.189
Figure 4.129 Typical Feeder Trip TR Logic (SEL-700GW)...................................................................4.190
Figure 4.130 Close Logic ........................................................................................................................4.191
Figure 4.131 Typical Generator or Intertie Close CL Logic (SEL-700G or GT)....................................4.192
Figure 4.132 Typical Feeder Close CL Logic (SEL-700GW).................................................................4.193
Figure 4.133 Schematic Diagram of a Traditional Latching Device....................................................... 4.194
Figure 4.134 Logic Diagram of a Latch Switch......................................................................................4.194
Figure 4.135 SELOGIC Control Equation Variable/Timers SV01/SV01T–SV32T .................................4.196
Figure 4.136 Result of Falling-Edge Operator on a Deasserting Input...................................................4.199
Figure 4.137 Example Use of SELOGIC Variables/Timers......................................................................4.200
Figure 4.138 Counter 01..........................................................................................................................4.203
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Date Code 20170814 Instruction Manual SEL-700G Relay
List of Figures
Figure 4.139 Example of the Effects of the Input Precedence ................................................................4.204
Figure 4.140 Breaker Failure Logic......................................................................................................... 4.211
Figure 4.141 Analog Input Card Adaptive Name....................................................................................4.212
Figure 4.142 Settings to Configure Input 1 as a 4–20 mA Transducer Measuring Temperatures
Between –50°C and 150°C............................................................................................. 4.214
Figure 4.143 Analog Output Number Allocation....................................................................................4.215
Figure 4.144 Analog Output Settings...................................................................................................... 4.216
Figure 4.145 DC Mode Processing..........................................................................................................4.217
Figure 4.146 AC Mode Processing..........................................................................................................4.217
Figure 4.147 Timing Diagram for Debounce Timer Operation When Operating in AC Mode ..............4.218
Figure 4.148 Display Point Settings........................................................................................................4.226
Figure 4.149 Front-Panel Display—Both HV and LV Breakers Open ...................................................4.226
Figure 4.150 Front-Panel Display—HV Breaker Closed, LV Breaker Open..........................................4.226
Figure 4.151 Front-Panel Display—Both HV and LV Breakers Closed.................................................4.226
Figure 4.152 Front-Panel Display—LV Breaker Closed......................................................................... 4.227
Figure 4.153 Front-Panel Display—HV Breaker Open, LV Breaker Closed.......................................... 4.227
Figure 4.154 Front-Panel Display for a Binary Entry in the Name String Only..................................... 4.227
Figure 4.155 Front-Panel Display for an Analog Entry in the Name String Only..................................4.228
Figure 4.156 Front-Panel Display for an Entry in (a) Boolean Name and Alias Strings and
(b) Analog Name and User Text and Formatting Strings...............................................4.229
Figure 4.157 Front-Panel Display for an Entry in (a) Boolean Name and Alias Strings and
(b) Analog Name, User Text and Formatting Strings, and Engineering Units...............4.229
Figure 4.158 Adding Temperature Measurement Display Points ...........................................................4.230
Figure 4.159 Rotating Display................................................................................................................. 4.230
Figure 4.160 Adding Two Local Bits ......................................................................................................4.231
Figure 5.1 Complex Power Measurement Conventions .......................................................................... 5.2
Figure 5.2 METER Command Report for SEL-700G1 With Synchronism Check
and Neutral Voltage Inputs ................................................................................................. 5.4
Figure 5.3 MET T Report for SEL-700G0 Model...................................................................................5.5
Figure 5.4 Device Response to the METER E Command.......................................................................5.6
Figure 5.5 Device Response to the METER RE Command....................................................................5.6
Figure 5.6 Device Response to the METER WE Command...................................................................5.6
Figure 5.7 Device Response to the METER M Command......................................................................5.8
Figure 5.8 Device Response to the METER RM Command...................................................................5.8
Figure 5.9 Device Response to the METER MV Command...................................................................5.9
Figure 5.10 Device Response to the METER RMS Command...............................................................5.10
Figure 5.11 Device Response to the METER AI Command................................................................... 5.10
Figure 5.12 Device Response to the MET DE Command.......................................................................5.11
Figure 5.13 Device Response to the MET PE Command........................................................................5.11
Figure 5.14 METER DIF (Differential) Command Report.....................................................................5.13
Figure 5.15 METER H (Harmonic) Command Report...........................................................................5.14
Figure 5.16 Device Response to the LDP Command.............................................................................. 5.14
Figure 5.17 Plotted Breaker Maintenance Points for a 25 kV Circuit Breaker.......................................5.17
Figure 5.18 SEL-700G Breaker Maintenance Curve for a 25 kV Circuit Breaker .................................5.18
Figure 5.19 Operation of SELOGIC Control Equation Breaker Monitor Initiation Setting.....................5.19
Figure 5.20 Breaker Monitor Accumulates 10 Percent Wear..................................................................5.20
Figure 5.21 Breaker Monitor Accumulates 25 Percent Wear..................................................................5.21
Figure 5.22 Breaker Monitor Accumulates 50 Percent Wear..................................................................5.22
Figure 5.23 Breaker Monitor Accumulates 100 Percent Wear................................................................ 5.23
Figure 5.24 Input INxxx Connected to Trip Bus for Breaker Monitor Initiation....................................5.26
Figure 6.1 Front-Panel Setting Entry Example for the SEL-700GT Relay............................................. 6.3
Figure 7.1 Simple Ethernet Network Configuration................................................................................7.3
Figure 7.2 Ethernet Network Configuration With Dual Redundant Connections (Failover Mode)........ 7.4
Figure 7.3 Ethernet Network Configuration With Ring Structure (Switched Mode)..............................7.4
Figure 7.4 IRIG-B Input (Relay Terminals B01–B02)............................................................................ 7.6
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SEL-700G Relay Instruction Manual Date Code 20170814
List of Figures
Figure 7.5 IRIG-B Input Via EIA-232 Port 3 (SEL Communications Processor as Source)..................7.6
Figure 7.6 IRIG-B Input VIA EIA-232 Port 3 (SEL-2401/2404/2407 Time Source).............................7.6
Figure 7.7 IRIG-B Input VIA Fiber-Optic EIA-232 Port 2 (SEL-2030/2032 Time Source)..................7.7
Figure 7.8 IRIG-B Input VIA Fiber-Optic EIA-232 Port 2 (SEL-2401/2404/2407 Time Source).........7.7
Figure 7.9 EIA-232 DB-9 Connector Pin Numbers ................................................................................7.8
Figure 7.10 SEL Cable C234A—SEL-700G to DTE Device...................................................................7.8
Figure 7.11 SEL Cable C227A—SEL-700G to DTE Device...................................................................7.9
Figure 7.12 SEL Cable C222—SEL-700G to Modem.............................................................................7.9
Figure 7.13 SEL Cable C272A—SEL-700G to SEL Communications Processor
(Without IRIG-B Signal) .................................................................................................... 7.9
Figure 7.14 SEL Cable C273A—SEL-700G to SEL Communications Processor
(With IRIG-B Signal) .........................................................................................................7.9
Figure 7.15 SEL Cable C387—SEL-700G to SEL-3010........................................................................7.10
Figure 7.16 BRE X Command Response................................................................................................7.22
Figure 7.17 BRE X W Command Response ...........................................................................................7.23
Figure 7.18 BRE X R Command Response.............................................................................................7.23
Figure 7.19 Ethernet Port (PORT 1) Status Report .................................................................................7.27
Figure 7.20 Non-Redundant Port Response ............................................................................................ 7.27
Figure 7.21 GEN Command Response.................................................................................................... 7.29
Figure 7.22 GSH Command Response....................................................................................................7.29
Figure 7.23 GOOSE Command Response...............................................................................................7.31
Figure 7.24 Command Sequence to Change Password ...........................................................................7.37
Figure 7.25 PING Command Response...................................................................................................7.38
Figure 7.26 SHOW Command Example .................................................................................................7.42
Figure 7.27 Typical Relay Output for STATUS S Command..................................................................7.45
Figure 8.1 Front-Panel Overview ............................................................................................................8.2
Figure 8.2 Access Level Security Padlock Symbol.................................................................................8.3
Figure 8.3 Password Entry Screen........................................................................................................... 8.3
Figure 8.4 Front-Panel Pushbuttons.........................................................................................................8.4
Figure 8.5 Main Menu.............................................................................................................................8.5
Figure 8.6 MAIN Menu and METER Submenu .....................................................................................8.5
Figure 8.7 METER Menu and ENERGY Submenu................................................................................8.6
Figure 8.8 Relay Response When Energy (or Max/Min, Demand, Peak Demand) Metering Is Reset...8.6
Figure 8.9 Relay Response When No Analog Cards Are Installed.........................................................8.6
Figure 8.10 Relay Response When No Math Variables Enabled ..............................................................8.6
Figure 8.11 MAIN Menu and EVENTS Submenu....................................................................................8.7
Figure 8.12 EVENTS Menu and DISPLAY Submenu..............................................................................8.7
Figure 8.13 Relay Response When No Event Data Available...................................................................8.7
Figure 8.14 Relay Response When Events Are Cleared ...........................................................................8.7
Figure 8.15 MAIN Menu and TARGETS Submenu .................................................................................8.8
Figure 8.16 TARGETS Menu Navigation ................................................................................................. 8.8
Figure 8.17 MAIN Menu and CONTROL Submenu................................................................................ 8.8
Figure 8.18 CONTROL Menu and OUTPUTS Submenu......................................................................... 8.9
Figure 8.19 CONTROL Menu and LOCAL BITS Submenu....................................................................8.9
Figure 8.20 MAIN Menu and SET/SHOW Submenu.............................................................................8.10
Figure 8.21 SET/SHOW Menu................................................................................................................8.11
Figure 8.22 MAIN Menu and Status Submenu .......................................................................................8.11
Figure 8.23 MAIN Menu and BREAKER Monitor Submenu ................................................................ 8.12
Figure 8.24 Factory-Default Front-Panel LEDs for the SEL-700G Generator Protection Relay............8.12
Figure 8.25 TARGET RESET Pushbutton ..............................................................................................8.14
Figure 8.26 Operator Control Pushbuttons and LEDs.............................................................................8.14
Figure 9.1 Example Event Summary.......................................................................................................9.3
Figure 9.2 Sample Event History............................................................................................................. 9.6
Figure 9.3 Example Standard 15-Cycle Analog Event Report 1/4-Cycle Resolution.............................9.9
Figure 9.4 Derivation of Analog Event Report Current Values and RMS Current Values From
Sampled Current Waveform .............................................................................................9.14
This manual suits for next models
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